bug #14696 Fix the rendering of deprecation log messages (stof)

This PR was merged into the 2.6 branch.

Discussion
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Fix the rendering of deprecation log messages

| Q             | A
| ------------- | ---
| Bug fix?      | yes
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | #14695
| License       | MIT
| Doc PR        | n/a

A Twig variable was removed by mistake in #14182

Commits
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8b6efff Fix the rendering of deprecation log messages

src/Symfony/Bundle/WebProfilerBundle/Resources/views/Collector/logger.html.twig

@@ -112,6 +112,7 @@
 {% macro display_message(log_index, log, is_deprecation) %}
     {% if is_deprecation %}
         {% set stack = log.context.stack|default([]) %}
+        {% set id = 'sf-call-stack-' ~ log_index %}
 
         {% if stack %}
             <a href="#" onclick="Sfjs.toggle('{{ id }}', document.getElementById('{{ id }}-on'), document.getElementById('{{ id }}-off')); return false;">